Floating Roof

{
  "id": "MLC-T-ENV-011246",
  "term": "Floating Roof",
  "field": "Environment",
  "definition": "1. Storage vessel cover consisting of a double deck, pontoon single deck, internal floating cover or covered floating roof, which rests upon and is supported by the petroleum liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and tank wall.\n\n2. Roof consisting of an external floating roof or an internal floating roof that is designed to rest upon and is supported by the stored liquid and is equipped with a continuous seal.\n\n3. Cover consisting of a double deck, pontoon single deck, or internal floating cover which rests upon and is supported by the material being contained, and is equipped with a continuous seal.\n\n4. Cover consisting of a double deck, pontoon single deck, internal floating cover or covered floating roof, which rests upon and is supported by the liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and waste management unit or storage.",
  "references": [
    "40 CFR 60.111 (CFR 2013)",
    "40 CFR 65.2 (CFR 2013)",
    "40 CFR 265.1081 (CFR 2013)",
    "40 CFR 63.101 (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/floating-roof/"
}